Se arregla execute de TestRunner
arreglando
Merge branch 'master' of https://github.com/emiliano-fiuba/2013_2c-7510
Merge branch 'master' of https://github.com/emiliano-fiuba/2013_2c-7510
Merge branch 'master' of https://github.com/emiliano-fiuba/2013_2c-7510
Merge branch 'master' of https://github.com/emiliano-fiuba/2013_2c-7510